• Year
  • 1938 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 185015

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 117 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: R-3121 - Firestone Tire & Rubber Co.
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 14.5 x 11.7 x 7.25 inch / 368 x 297 x 184 mm
  • Net weight (2.2 lb = 1 kg)
  • 12 lb (12 lb 0 oz) / 5.448 kg
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by John Backscheider. See "Data change" for further contributors.

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